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coolvds.com › Blog › Tutorials & Guides

Secure Your Traffic: Deploying OpenVPN on Ubuntu 12.04 LTS

· CoolVDS Team

Public WiFi is a security minefield. Learn how to deploy a hardened OpenVPN server on Ubuntu 12.04 with 2048-bit encryption, iptables masquerading, and optimized routing for Nordic low-latency connections.

coolvds.com › Blog › DevOps & Infrastructure

Stop Trusting Top: The Real Art of Infrastructure Monitoring at Scale

· CoolVDS Team

Nagios alerts are useless if your disk I/O is choking. A battle-hardened look at monitoring high-load systems in 2013, why OpenVZ lies to you about load, and how to configure Zabbix and Munin for true visibility.

coolvds.com › Blog › Technology Trends

WebGPU & Browser-Based AI: The Infrastructure Shift You Missed

· CoolVDS Team

Stop burning cash on H100 clusters. The future of AI inference is running locally in the user's browser via WebGPU. Learn the Nginx optimization secrets required to deliver gigabyte-scale models instantly, ensuring GDPR compliance and zero-latency UX.

coolvds.com › Blog › DevOps & Infrastructure

Stop Guessing: Implementing High-Fidelity APM and Observability in 2025

· CoolVDS Team

CPU usage tells you nothing about why your checkout page is slow. This guide details setting up OpenTelemetry, Prometheus, and Grafana on a Norwegian VPS to detect sub-millisecond latency spikes and ensure GDPR compliance.